Features |
Free1 |
Lite2 |
Professional |
Enterprise |
 Migration and Converters
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Mail server converters for a wide variety of competitors |
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Mailbox migration for email, calendar, contacts, tasks |
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 Automation (Web services/SOAP)
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Compatible with wide variety of control panel companies |
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Add/edit domains and users |
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Add/edit calendars, tasks, and notes |
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Add/edit RSS feeds |
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Retrieve user and domain statistics via Web services3 |
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Collaboration
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SyncML support |
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Exchange ActiveSync support |
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Add-on |
CalDAV and CardDAV support |
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Microsoft Outlook 2007 (2-way) synchronization |
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Microsoft Outlook 2000 and higher synchronization |
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Mozilla Thunderbird and Lightning synchronization |
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Webmail reminders system |
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Webmail availability of attendees |
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Webmail personal contacts |
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Webmail personal calendars, tasks, and notes |
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Shared calendars, contacts, tasks, and notes |
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Mail Server Protocols
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SMTP – Simple Mail Transfer Protocol |
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IMAP4 – Internet Message Access Protocol and IMAP IDLE |
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POP3 – Post Office Protocol |
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LDAP – Lightweight Authentication Directory Protocol |
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Message retrieval via POP and IMAP |
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Antispam Measures
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Commtouch Premium Antispam |
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Add-on |
Add-on |
Spam profiles wizard |
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Incoming and outbound spam checking |
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Incoming and outbound spam checking |
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Spam checking on POP3 message retrieval |
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SMTP connection level spam checking |
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Outgoing spammer detection and limiting |
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SpamAssassin-based Pattern Matching Engine |
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Support for distributed SpamAssassin servers (Linux or Windows) |
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SPF record checking |
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RBL listing detection |
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Bayesian filtering |
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Reverse DNS checking |
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Greylisting with rules based on IP, sender location, spam weight |
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Domain Keys and DKIM |
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Configurable spam weights for system, domain, and users |
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Configurable spam headers |
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Trusted senders |
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Support for Declude |
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Antivirus
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Commtouch Zero-hour Antivirus |
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Add-on |
Add-on |
Out-of-the-box ClamAV |
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Support for third-party real-time antivirus solutions |
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Support for third-party command-line antivirus solutions |
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Support for a remote ClamAV server (Linux or Windows) |
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Security/Attack Prevention
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Incoming and outgoing SSL/TLS |
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Active Directory Authentication (ADX) |
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Optional alternate SMTP port |
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SMTP authentication by domain |
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SMTP authentication by domain |
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Restrict administrator access via IP |
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Manual and automatic IP whitelisting/blacklisting |
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Brute force detection for Webmail |
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Manual and automatic IP whitelisting/blacklisting |
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Automatic harvest attack prevention |
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Automatic denial of service prevention |
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Malicious script filtering in Webmail |
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Throttle user and domain activity |
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Throttle incoming bounces to prevent saturation |
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Reporting
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Real-time performance dashboards (traffic stats) |
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Basic reports (3 reports) |
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Advanced summary reports (17 system and 18 domain)) |
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Advanced trend reports (26 system, 15 domain, and 18 user) |
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Data drill down available in summary reports |
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Define report favorites and custom reports |
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Scheduled and on-demand email reports |
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Reporting statistics exposed as PerfMon counters |
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Export reports to CSV and tab formats |
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Events and Notifications
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Event-driven architecture |
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Notification profiles |
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Configurable system, domain, and user events |
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Assign actions to events (e.g. command-line, notifications, etc.) |
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Default notification to all users when disk quotas are reached |
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Message Archiving
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Sarbanes-Oxley compliance4 |
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Enable message archiving by domain |
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Messages .ZIP compressed to reduce space necessary |
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User, domain, and administrator access to archived messages |
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User, domain, and administrator access to archived messages |
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Search, view, and print archived messages |
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Messages stored in EML format |
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Administration
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Administration from a Web browser |
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Getting Started wizard |
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Custom skinning |
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Mulitple system administrator accounts |
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Review and download log files from interface |
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Users can be limited to specific protocols IMAP, POP, SMTP |
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Mass propagation of settings for domains |
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Mass propagation of settings for users |
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Mass messaging to some or all users and domain administrators |
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Prioritize SMTP based on message type, domain, or user |
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Spool functionality that allows third-party integration |
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Configurable outbound SMTP IP addresses |
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Multiple spools (smart spooling) |
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Manage all connections |
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Manage current blocks |
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Immediate blacklisting of connections and sessions |
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Configurable user password strength requirements |
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Configurable user settings by domain |
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Configurable logging for all protocols |
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Folder auto-clean to enforce user quotas |
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SmarterMail Search Indexing |
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Web Interface for Users (Webmail)
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More than 15 languages available |
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Web 2.0 interface using optimized AJAX |
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Snapping panes for improved layout controls |
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Preview message attachments |
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Thumbnails for image file attachments |
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Download all attachments as .ZIP |
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Upload attachments in the background |
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File storage |
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Automatic save as draft |
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Follow-up flagging |
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Linked emails and tasks |
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Advanced content filtering |
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Advanced spam filtering rules |
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User-level auto-clean |
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Spell-check in 15 languages |
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Email address auto-complete similar to Microsoft Outlook |
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RSS, RDF, and Atom news feed integration |
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Import and export contacts |
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Support for user and domain aliases |
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Multiple signatures support |
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Multiple identity/SMTP support |
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Mailing Lists
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Bounce detection |
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Automatic removal of subscribers on bounces |
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Optional double opt-in |
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Subscriber custom fields |
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Unsubscribe links in messages |
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Common subscriber database for all mailing lists |
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Toggle auto-generated response to mailing list commands |
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Merge variables and custom fields into messages (mail merge) |
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Enhanced mailing list compose with attachments |
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Customized command messages |
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Mail logging per subscriber |
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Message prioritization of mailing list |
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Throttling of mailing lists |
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Gateways
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Use as SmartHost or incoming gateway |
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Use as backup MX server |
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Use as outgoing gateway |
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User authentication and SSL?TLS support for outgoing gateways |
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Gateway authentication with other SmarterMail servers |
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Gateway can have domain exceptions |
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Spam checking available on gateways |
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Greylisting available on gateways |
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